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  1. What is the role of “CONSTRAINS” in defining a table in Mysql?
    1. Declaring Foreign Key
    2. Restrictions on columns
    3. Declaring primary key
    4. All of above
    5. None of these
Correct Option: D

The role of “CONSTRAINS” in defining a table in Mysql are Declaring Foreign Key, Restrictions on columns and Declaring primary key.


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